A、  B、  C、  D、  A

(A)He’s clearing off the desk.
(B)He’s e-mailing a friend.
(C)He’s putting up notices on the wall.
(D)He’s sitting in front of the fax machine.

(A)One of the women has a hat on.
(B)The women are riding their bicycles.
(C)The bicyclists are locking up their bikes.
(D)They have stopped to get something from the store.